Rotary screens

Details Rotary screens Rotary screens

1977-12-29

1979-12-04

Lazarus, Richard B.

Solid material comminution or disintegration

Apparatus

With separation or classification of material

241 83, 241 91, B02C 2300

Patent

active

041767993

ABSTRACT:
A rotary screen device for sorting refuse material particularly adapted for sorting a mixture of glass and plastics material. The device is generally cylindrical in shape, inclined at a preferred angle to the horizontal, and having three sections, an intake end, a central portion, and an output end. Transverse vanes are arranged in the input end to direct the incoming refuse material towards the central section. The central section includes plural longitudinal vanes which are connected at one end with the transverse vanes in the inlet end and is provided with a uniform distribution of perforations in the regions between the vanes. The outlet end includes no vanes but is provided with peripheral evacuating holes having their largest dimension in a direction perpendicular to the generatrices so that there is no risk of rotating a plastic bottle which could have the effect of an impeller which would drive pieces of glass out of a collection hopper provided below the central section and outlet end.

REFERENCES:
patent: 2189711 (1940-02-01), Eigenbrot
patent: 2721035 (1955-10-01), Lankford et al.
patent: 3186649 (1965-06-01), Naltof
patent: 3405873 (1968-10-01), Gothard et al.
patent: 3614003 (1971-10-01), Tremolada

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